Biodegradable foams with improved dimensional stability

Biodegradable foams with improved dimensional stability

  • CN 102,573,818 A
  • Filed: 09/23/2010
  • Published: 07/11/2012
  • Est. Priority Date: 09/25/2009
  • Status: Active Application
First Claim
Patent Images

1. foaming agent comprises:

  • Carbon dioxide;

    AndA kind of blowing promotor;

    This blowing promotor is selected from down group, and this group is made up of the following;

    hydrogen fluorohydrocarbon class, HCFC class, hydrogen fluorine ethers, hydrofluoroolefin, hydrochlorofluoroolefins, hydrogen bromine fluoroolefins class, hydrogen fluorine ketone, hydrogen chloro-alkenes class, fluorine iodine hydro carbons, alkyl esters, water and their mixture.

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